CN108987142A - A kind of operating mechanism and the electric switch using the operating mechanism - Google Patents
A kind of operating mechanism and the electric switch using the operating mechanism Download PDFInfo
- Publication number
- CN108987142A CN108987142A CN201810723280.7A CN201810723280A CN108987142A CN 108987142 A CN108987142 A CN 108987142A CN 201810723280 A CN201810723280 A CN 201810723280A CN 108987142 A CN108987142 A CN 108987142A
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- China
- Prior art keywords
- operating mechanism
- limited wheel
- circumferential
- manual
- stop section
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The present invention relates to a kind of operating mechanism and use the electric switch of the operating mechanism, operating mechanism includes for driving moved end component actuation to switch the drive shaft of electric switch state, rotation stop is equipped with turning position-limited wheel on the drive shaft, it is described to be equipped with circumferential stop section with turning position-limited wheel, operating mechanism further includes can be with the limiting section of the circumferential stop section circumferential direction block cooperation, and limiting section is taken away into circumferential stop section in switching electrical switches state, state switching drives limiting section and circumferential stop section to cooperate the driving structure to prevent drive shaft from continuing position rotation when completing.When operating mechanism drives switching electrical switches state, driving structure drives limiting section and circumferential stop section to be detached from block, avoid limiting section to turn position-limited wheel with turning to impact；Electric switch state switch complete when, driving structure drives limiting section to cooperate with the circumferential stop section block that turns on position-limited wheel, prevents with turning position-limited wheel and drive shaft continues to rotate.
Description
Technical field
The present invention relates to a kind of operating mechanism and use the electric switch of the operating mechanism.
Background technique
In recent years, with the development of Cubicle Gas-Insulated Switchgear (GIS), especially in 110kV GIS and
In 220kV GIS, three-station isolating grounding switch applies more and more extensive, three station actuatings in three-station isolating grounding switch
The advantages that mechanism is small in size with its, compact-sized, Composite degree is high, configuration mode is versatile and flexible, by more and more power stations
Producer is used.
Since the moved end component in three-station isolating grounding switch needs to carry out the reciprocating motion of both direction, to realize three
(closing position DS: isolation closes a floodgate, is grounded separating brake for the conversion of three stations of station isolation grounding switch；Sub-gate position: isolation, ground connection are equal
Separating brake；The closing position ES: isolation separating brake, contact of earth), the machinery of disconnecting switch and earthing switch may be implemented during the motion
It is chain, and the electric operating mechanism of transmission, spring operating mechanism cannot achieve these functions.Existing three station operating mechanism from
Type is mainly the following on transmission principle: feed screw nut adds frid transmission, gear that sheave drive, chain is added to add special shape gear
Transmission etc..But the shortcomings that above several three station operating mechanisms is that the design of components, difficulty of processing are larger, higher cost.
Application publication number is that an application for a patent for invention of CN101763958A discloses a kind of spiral groove type cam actuating
Mechanism and operating method, the operating mechanism include motor and the rotatable spiral cam slot axis of driving by motor,
Helicla flute is provided on spiral cam slot axis, operating mechanism further includes the output shaft of rotational installation, and rotation stop is set on output shaft
There is a fanning strip, roller bearing is provided at the radial edges of fanning strip, roller bearing is in helicla flute.In use,
The rotation of motor drive spiral cam slot axis can pass sequentially through roller bearing, fanning strip drives output shaft rotation, three works of realization
The switching of position isolation earthing switch state.
The components of the operating mechanism are less, and transmission efficiency is high, and dynamic property is good, it can be achieved that quick Switch of working position, switching
Accurate positioning, high reliablity, the service life is long, easily operated and maintenance.
But according to the requirement of GIS isolation ground connection, three station operating mechanisms must performance it is stable, reliable, especially to every
It necessarily is formed effective locking between the movement of ground connection direction, and requires mechanism must be quasi- in the stop position of three stations
It is really errorless, for example, GIS instruction requires three station operating mechanisms that moved end component is driven separately to return to sub-gate position from isolation closing position
It sets, if three station operating mechanisms do not have a stop motion after driving moved end component to reach open position, and to contact of earth position
If continuing movement, line fault will result in.
Summary of the invention
The purpose of the present invention is to provide a kind of operating mechanisms, control electric switch to solve operating mechanism in the prior art
The technical issues of moved end component easily occurred position and caused line fault when switching state；The electricity for using the operating mechanism is also provided
Air cock.
To achieve the above object, the technical solution of operating mechanism of the present invention is: a kind of operating mechanism, including dynamic for driving
End pieces movement is to switch the drive shaft of electric switch state, and rotation stop is equipped with turning position-limited wheel on the drive shaft, institute
It states with position-limited wheel is turned equipped with circumferential stop section, operating mechanism further includes can be with the limit of the circumferential stop section circumferential direction block cooperation
Position portion, and in switching electrical switches state by limiting section take away circumferential stop section, state switching complete when drive limiting section
Cooperate the driving structure to prevent drive shaft from continuing position rotation with circumferential stop section.
The beneficial effects of the present invention are: operating mechanism provided by the invention includes drive shaft, drive shaft can be direct
Or drive moved end component actuation to switch the state of electric switch indirectly, rotation stop is equipped with turning position-limited wheel on drive shaft,
With turning to be provided with circumferential stop section on position-limited wheel, operating mechanism further includes the driving of a limiting section and driving limiting section movement
Structure.When operating mechanism drives switching electrical switches state, driving structure drives limiting section and circumferential stop section to be detached from block,
Avoid limiting section to turn position-limited wheel with turn impact；When electric switch state switches completion, driving structure drives limit
Position portion cooperates with the circumferential stop section block that turns on position-limited wheel, prevents with turning position-limited wheel and drive shaft continues to rotate, and
Cause moved end component activity to cross position, and then the route of electric switch is caused to break down.The side of mechanical block is used in the present invention
Formula guarantees that the moved end component of electric switch will not be driven position.
It is described with limiting slot is offered in the peripheral side for turning position-limited wheel, the limiting section is the drive that can be driven structure
And the retention bead of the circumferential cell wall block cooperation in limiting slot and with limiting slot is swung in, the corresponding week in the limiting slot
The circumferential stop section is constituted to cell wall.
The driving structure includes that rotation is arranged in the control panel for turning position-limited wheel side, and the control panel includes protrusion cloth
The support arm set, the support arm are equipped with the retention bead, driving structure further include drive control panel to swing for positive so that
Retention bead and the cooperation of limiting slot block, the reversed driving for driving control panel to swing so that retention bead and limiting slot are detached from block
Part.
The actuator include for pushing tow control panel one end with drive control plate backswing limiting section to be taken away
The releasing magnet yoke frame of circumferential stop section further includes for the drive control plate forward direction after releasing magnet yoke frame power loss
The return spring of swing.
Operating mechanism further includes that rotation is arranged in the manual junction panel for turning position-limited wheel side, and manual junction panel is used in electricity
Locking Manual operation handle is when air cock manual switching state to prevent Manual operation handle from extracting outward, the manual junction panel
With by the control panel pushing tow getting out of the way the Manual operation handle when electric switch manual switching state is completed to swing
Junction panel force side.
The guarantor for manual junction panel to be maintained to locking Manual operation handle position is additionally provided on the manual junction panel
Hold spring.
The drive shaft is that stress can offer helicla flute on the camshaft of own axis, the camshaft,
It is also rotatably equipped with power output wheel in the side of the camshaft, arranged off-centre has embeddable helicla flute on the power output wheel
Interior drive balls.
Operating mechanism is for three station operating mechanisms corresponding with three-station isolating grounding switch, so that with limit is turned
Wheel have positive and negative two rotational travels, accordingly, it is described with turn on position-limited wheel have positive and negative two described in circumferential stop section.
The technical solution of electric switch of the present invention is: a kind of electric switch, including the Switch main body with moved end component, also
Including operating mechanism, operating mechanism, including switching the drive shaft of electric switch state, institute for driving moved end component actuation
It states rotation stop on drive shaft to be equipped with position-limited wheel is turned, described with position-limited wheel is turned equipped with circumferential stop section, operating mechanism also wraps
The limiting section that can cooperate with the circumferential stop section circumferential direction block is included, and takes away limiting section in switching electrical switches state
Circumferential stop section, state switching drive limiting section and circumferential stop section to cooperate to prevent drive shaft from continuing position rotation when completing
Driving structure.
It is described with limiting slot is offered in the peripheral side for turning position-limited wheel, the limiting section is the drive that can be driven structure
And the retention bead of the circumferential cell wall block cooperation in limiting slot and with limiting slot is swung in, the corresponding week in the limiting slot
The circumferential stop section is constituted to cell wall.
The driving structure includes that rotation is arranged in the control panel for turning position-limited wheel side, and the control panel includes protrusion cloth
The support arm set, the support arm are equipped with the retention bead, driving structure further include drive control panel to swing for positive so that
Retention bead and the cooperation of limiting slot block, the reversed driving for driving control panel to swing so that retention bead and limiting slot are detached from block
Part.
The actuator include for pushing tow control panel one end with drive control plate backswing limiting section to be taken away
The releasing magnet yoke frame of circumferential stop section further includes for the drive control plate forward direction after releasing magnet yoke frame power loss
The return spring of swing.
Operating mechanism further includes that rotation is arranged in the manual junction panel for turning position-limited wheel side, and manual junction panel is used in electricity
Locking Manual operation handle is when air cock manual switching state to prevent Manual operation handle from extracting outward, the manual junction panel
With by the control panel pushing tow getting out of the way the Manual operation handle when electric switch manual switching state is completed to swing
Junction panel force side.
The guarantor for manual junction panel to be maintained to locking Manual operation handle position is additionally provided on the manual junction panel
Hold spring.
The drive shaft is that stress can offer helicla flute on the camshaft of own axis, the camshaft,
It is also rotatably equipped with power output wheel in the side of the camshaft, arranged off-centre has embeddable helicla flute on the power output wheel
Interior drive balls.
Operating mechanism is for three station operating mechanisms corresponding with three-station isolating grounding switch, so that with limit is turned
Wheel have positive and negative two rotational travels, accordingly, it is described with turn on position-limited wheel have positive and negative two described in circumferential stop section.
Detailed description of the invention
Fig. 1 is the schematic diagram of operating mechanism embodiment of the present invention；
Fig. 2 is the perspective view (anti-bit architecture excessively is not drawn into figure) of the transmission parts of operating mechanism embodiment of the present invention；
Fig. 3 is the transmission principle figure (anti-bit architecture excessively is not drawn into figure) of operating mechanism embodiment of the present invention；
Fig. 4 is the anti-schematic diagram for crossing bit architecture in operating mechanism embodiment of the present invention；
Fig. 5 is the anti-perspective view crossed at bit architecture in operating mechanism embodiment of the present invention.
In attached drawing, 100- operating mechanism cabinet；1- motor；11- motor gear；Pin shaft is manually operated in 12-；2- camshaft；
21- cam shaft gear；22- drive balls；23- transmission gear；3- is with turning position-limited wheel；31- limiting slot；4- control panel；41- limit
Roller；42- pushing tow roller；43- is pushed away roller；The manual junction panel of 5-；51- reduction torsion spring；52- junction panel force side；53- is chain
Plate block end；6- electromagnetic driver；61- electromagnet；62- chute board；63- electromagnet armature；7- Manual operation handle；71- hand
Handle limiting section；8- electromagnet triggers cam.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
The specific embodiment of operating mechanism of the invention, as shown in Figures 1 to 5, the operating mechanism of the present embodiment is and three
Corresponding three station operating mechanism of station isolation grounding switch, three station operating mechanisms include operating mechanism cabinet 100, in actuating
Motor 1 is provided in mechanism cabinet 100, rotation stop is set with motor gear 11 on the output shaft of motor 1, before motor gear 11
End is internally provided with manual operation pin shaft 12, can be penetrated for external Manual operation handle 7 and with manual operation pin shaft 12 weeks
Cooperate to rotation stop sleeve, to be operated manually under the abnormal conditions such as the failure of motor 1.In operating mechanism cabinet 100
It is additionally provided with the cam shaft gear 21 with 11 engaged transmission of motor gear, rotation stop is set with camshaft 2 in cam shaft gear 21.
By in Fig. 2, it can be seen that offering the helicla flute axially extending along camshaft on camshaft 2.It is arranged in the side of camshaft 2
There is transmission gear 23, transmission gear 23 can be rotated around the axis of itself, and bias is fixed with drive balls 22 on transmission gear 23, figure
As can be seen that drive balls 22 protrude into helicla flute in 2, enable while cam axle through helicla flute, transmission
Roller 22 is rotated with nutating gear 23, and power is passed, the moved end component of three-station isolating grounding switch is driven to carry out
Corresponding activity.
In the present invention, activity crosses position (such as by being isolated when three station operating mechanisms drive moved end component activity in order to prevent
Closing position continuously moves to contact of earth position etc. after being moved to sub-gate position), it is additionally provided with anti-bit architecture excessively.Wherein, anti-to cross position
Structure include rotation stop be sleeved on 2 one end of camshaft with turning position-limited wheel 3, with turning to offer limiting slot 31, limiting slot on position-limited wheel 3
31 circumferentially certain length, also rotate on the gear-box outside operating mechanism cabinet 100 or cam shaft gear 21
Control panel 4 is installed, control panel 4 is located at the side for turning position-limited wheel 3.In the present embodiment, control panel 4 includes three circumferentially-spaced
Three support arms of arrangement are provided with limit roller 41 in arm end directed downwardly, and the arm end close to motor gear 11 is arranged
There is pushing tow roller 42, is provided in the arm end far from motor gear 11 and is pushed away roller 43, in use, the driving for passing through external force
It enables to control panel 4 that positive and negative reciprocally swinging occurs, torsional spring (being not drawn into figure) is set in the shaft of control panel 4.By scheming
In, it can be seen that limit roller 41 can be swung in limiting slot 31 with the swing of control panel 4, and the upper end cell wall with limiting slot 31
The cooperation of circumferential block prevents from continuing to rotate with turning position-limited wheel 3.
It is additionally provided with electromagnetic driver 6 in the side of the separate motor gear 11 of control panel 4, it being capable of 4 edge of drive control plate
Clockwise direction shown in Fig. 4 is swung.Specifically, electromagnetic driver 6 includes chute board 62, in the top cloth of chute board 62
It is equipped with electromagnet 61, is slidable in the vertical direction in the slideway on chute board 62 and is equipped with electromagnet armature 63, electromagnet armature
63 right end is extended to by the lower section for pushing away roller 43.After coil outside electromagnet 61 obtains electric, electromagnet armature can be attracted
63 move up in slideway, and pushing tow is pushed away roller 43 upwards.
Manual junction panel 5, the centre of manual junction panel 5 are additionally provided in the side towards motor gear 11 of control panel 4
Position rolling assembling is on the gear-box outside operating mechanism cabinet 100 or cam shaft gear 21.In the shaft of manual junction panel 5
On be set with and keep torsional spring 51, the left end of close the control panel 4 of manual junction panel 5 is junction panel force side 52, manual junction panel 5
Close motor gear 11 right end be junction panel block end 53, as seen from Figure 5, junction panel block end 53 extends to motor
At gear 11, and cooperate with the handle limiting section 71 of Manual operation handle 7, prevents Manual operation handle 7 from extracting, specifically, hand
Handle limiting section 71 can be the limited ring groove being provided on Manual operation handle 7, and junction panel block end 53 can be caught in prevent
Manual operation handle 7 is extracted.
It is of the invention use process is as follows: when normal motor drives, motor 1 passes through motor gear 11, cam shaft gear 21
It drives camshaft 2 to rotate around the axis of itself, and is rotated with nutating gear 23 and pass power, be set on camshaft 2
Rotated counterclockwise along shown in Fig. 4 with turning position-limited wheel 3.Moved end component can be driven to be in isolation when camshaft 2 turns to
When closing position or separating brake or contact of earth position, limit roller 41 is fallen into limiting slot 31, the control where limit roller 41
Plate 4 acts, and the microswitch movement in circuit where control panel 4 triggers motor, control motor 1 powers off, but due to the revolving speed of motor
It cannot at once will be 0, respective side cell wall of the limit meeting of roller 41 in limiting slot 31 after the distance of sliding, with limiting slot 31
Block cooperation, avoids continuing to rotate.At this point, being connected with 2 other end of camshaft and triggering cam with the electromagnet that camshaft 2 rotates
The microswitch in 8 trigger electromagnet, 61 circuit acts, and connects circuit.Again when switching state, electromagnet 61 obtains electric drive electromagnetism
Iron armature 63 moves up, and to limit between roller 41 and limiting slot 31 and be detached from block, meanwhile, the torsional spring storage on control panel
Energy.It will not be impacted to the normal rotation for turning position-limited wheel 3, electromagnet triggers 61 institute of trigger electromagnet again of cam 8 later
Microswitch in circuit, electromagnet 61 disconnect, at this point, limiting limit roller with the complete rounded outer profiles for turning position-limited wheel 3
41 do not fall in limiting slot 31, and motor drives camshaft rotation until limiting roller 41 in the reset response of control panel itself torsional spring
Under rotate counterclockwise and fall in limiting slot 31.And block cooperation is carried out with the upside cell wall of limiting slot 31, is prevented with a turn limit
Wheel 3 and camshaft 2 are rotated counterclockwise, and three-station isolating grounding switch is maintained at the state after the switching, is prevented convex
Position is crossed in the activity of wheel shaft 2 and the moved end component being attached thereto, and state switching is more accurate, not will cause line fault.
Fig. 4 can be seen that the limiting slot 31 in the present embodiment with upper and lower two sides cell wall, rotate counterclockwise in camshaft 2
When, the upside cell wall of limit roller 41 and limiting slot 31 carries out block cooperation, when camshaft 2 rotates clockwise, limits roller
41 carry out block cooperation, the characteristic of the reciprocating movement corresponding to three station operating mechanisms with the downside cell wall of limiting slot 31.
In the present embodiment, electromagnet triggering cam 8 is to prevent electromagnet from obtaining electric and causing for a long time to protect electromagnet
It is easy the case where being burned.
When switching state is manually operated, Manual operation handle 7 passes through the manual operation hole of 100 front end of operating mechanism cabinet,
And protrude into motor gear 11, block between roller 41 and limiting slot 31 is limited at this time to be cooperated, meanwhile, the pushing tow on control panel 4
Roller 42 drives manual junction panel 5 to be maintained at the extreme position rotated clockwise, at this point, 51 energy storage of torsional spring is kept, junction panel gear
Not-go-end 53 gets out of the way motor gear 11.After Manual operation handle 7 protrudes into, 61 drive control plate 4 of electromagnet is rotated clockwise, manually
Junction panel 5 rotates counterclockwise under the elastic release force effect for keeping torsional spring 51, and junction panel block end 53 is swung up and and hand
Handle limiting section 71 cooperates, so that Manual operation handle 7 can not be extracted.In the process of three-station isolating grounding switch switching state
In, Manual operation handle 7 can not be pulled out, and only after the completion of state switches, junction panel block end 53 could the bottom clockwise
And get out of the way Manual operation handle 7.The present invention can prevent Manual operation handle 7 from completing in non-divide-shut brake using manual junction panel 5
When extract.
In the present embodiment, camshaft 2 constitutes drive shaft, in other embodiments, can will be mounted on position-limited wheel 3 is turned
In the shaft of motor gear or subsequent transmission shaft, the either shaft of motor gear either subsequent transmission shaft is constituted
Drive shaft.The present embodiment drives moved end component reciprocating movement in the form of helicla flute is arranged on camshaft 2, other implementations
In example, in order to realize the reciprocating movement of moved end component, other modes can be taken, for example directly drive using clockwise and anticlockwise motor
Deng.
In the present embodiment, the anti-other parts crossed in bit architecture in addition to position-limited wheel is turned constitute driving structure.Other realities
It applies in example, the motion profile of retention bead can be straight reciprocating.
In the present embodiment, limit roller constitutes retention bead, and limit roller can be rotated around the axis of itself, be avoided
Retention bead and with the sliding friction turned between position-limited wheel.Circumferential cell wall on limiting slot constitutes circumferential stop section, due to three
In station operating mechanism camshaft can positive and negative swing, therefore, the spaced apart circumferential cell wall of two of limiting slot respectively constitutes
Positive and negative circumferential direction stop section.
In the present embodiment, electromagnetic driver constitutes releasing magnet yoke frame, and the reduction torsion spring on control panel constitutes
Return spring, return spring and releasing magnet yoke frame together constitute actuator.
In the present embodiment, transmission gear constitutes power output wheel, transmission gear and other gear engaged transmissions, output
Power, certainly, power output wheel itself can also be used separately as output.
The specific embodiment of electric switch of the present invention, electric switch include Switch main body, are equipped with moved end portion in Switch main body
Part, electric switch further include operating mechanism, and consistent in the structure and above-described embodiment of operating mechanism, content repeats no more.
Claims (9)
1. a kind of operating mechanism, special including switching the drive shaft of electric switch state for driving moved end component actuation
Sign is: rotation stop is equipped with turning position-limited wheel on the drive shaft, described to be equipped with circumferential stop section, actuating with turning position-limited wheel
Mechanism further includes the limiting section that can cooperate with the circumferential stop section circumferential direction block, and will limit in switching electrical switches state
Drive limiting section with circumferential stop section cooperation to prevent drive shaft from continuing when position portion takes away circumferential stop section, state switching is completed
Cross the driving structure of position rotation.
2. operating mechanism according to claim 1, it is characterised in that: described with being offered in the peripheral side for turning position-limited wheel
Limiting slot, the limiting section swing in limiting slot and match with the circumferential cell wall block of limiting slot be can be driven the drive of structure
The retention bead of conjunction, the corresponding circumferential cell wall constitutes the circumferential stop section in the limiting slot.
3. operating mechanism according to claim 2, it is characterised in that: the driving structure includes that rotation is arranged in a turn limit
The control panel of position wheel side, the control panel include the support arm of protrusion arrangement, which is equipped with the retention bead, driving
Structure further includes being swung for positive drive control panel so that retention bead and the cooperation of limiting slot block, reversed drive control panel pendulum
It moves so that retention bead and limiting slot are detached from the actuator of block.
4. operating mechanism according to claim 3, it is characterised in that: the actuator includes one for pushing tow control panel
Limiting section is taken away the releasing magnet yoke frame of circumferential stop section with drive control plate backswing by end, further include for
The return spring that drive control plate forward direction is swung after releasing magnet yoke frame power loss.
5. operating mechanism according to claim 3 or 4, it is characterised in that: operating mechanism further include rotation be arranged in turn
The manual junction panel of position-limited wheel side, manual junction panel are used for the locking Manual operation handle in electric switch manual switching state
To prevent Manual operation handle from extracting outward, the manual junction panel has when electric switch manual switching state is completed by institute
Control panel pushing tow is stated to swing the junction panel force side for getting out of the way the Manual operation handle.
6. operating mechanism according to claim 5, it is characterised in that: be additionally provided on the manual junction panel for will be manual
Junction panel is maintained at the holding spring of locking Manual operation handle position.
7. operating mechanism according to claim 1 or 2 or 3 or 4, it is characterised in that: the drive shaft is that stress can be around
The camshaft of own axis offers helicla flute on the camshaft, is also rotatably equipped in the side of the camshaft
Power output wheel, arranged off-centre has the drive balls in embeddable helicla flute on the power output wheel.
8. operating mechanism according to claim 1 or 2 or 3 or 4, it is characterised in that: operating mechanism be for three stations
Corresponding three station operating mechanism of isolation earthing switch, so that being corresponded to position-limited wheel is turned with positive and negative two rotational travels
Ground, it is described with turn on position-limited wheel have positive and negative two described in circumferential stop section.
9. a kind of electric switch, including the Switch main body with moved end component, it is characterised in that: further include such as claim 1-8
Any one of described in operating mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810723280.7A CN108987142A (en) | 2018-07-04 | 2018-07-04 | A kind of operating mechanism and the electric switch using the operating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810723280.7A CN108987142A (en) | 2018-07-04 | 2018-07-04 | A kind of operating mechanism and the electric switch using the operating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108987142A true CN108987142A (en) | 2018-12-11 |
Family
ID=64536095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810723280.7A Pending CN108987142A (en) | 2018-07-04 | 2018-07-04 | A kind of operating mechanism and the electric switch using the operating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108987142A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4409449A (en) * | 1979-02-13 | 1983-10-11 | Tokyo Shibaura Denki Kabushiki Kaisha | Operating mechanism for use in a circuit breaker |
| EP1975969A2 (en) * | 2007-03-29 | 2008-10-01 | Eaton Power Quality Corporation | Spring driven ram for closing an electrical switching apparatus |
| CN101763958A (en) * | 2009-12-30 | 2010-06-30 | 胡光福 | Spiral groove type cam operation mechanism and operation method |
| CN101800135A (en) * | 2010-01-19 | 2010-08-11 | 胡光福 | Electric mechanism of isolating switch and operating method |
| CN103715005A (en) * | 2013-12-31 | 2014-04-09 | 浙江华仪电器科技有限公司 | Limiting device for three-position switch operating mechanism |
-
2018
- 2018-07-04 CN CN201810723280.7A patent/CN108987142A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4409449A (en) * | 1979-02-13 | 1983-10-11 | Tokyo Shibaura Denki Kabushiki Kaisha | Operating mechanism for use in a circuit breaker |
| EP1975969A2 (en) * | 2007-03-29 | 2008-10-01 | Eaton Power Quality Corporation | Spring driven ram for closing an electrical switching apparatus |
| CN101763958A (en) * | 2009-12-30 | 2010-06-30 | 胡光福 | Spiral groove type cam operation mechanism and operation method |
| CN101800135A (en) * | 2010-01-19 | 2010-08-11 | 胡光福 | Electric mechanism of isolating switch and operating method |
| CN103715005A (en) * | 2013-12-31 | 2014-04-09 | 浙江华仪电器科技有限公司 | Limiting device for three-position switch operating mechanism |
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Application publication date: 20181211 |
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| RJ01 | Rejection of invention patent application after publication |